import java.util.Scanner;


public class test01
{
    public static class student
    {
        String name;

        public void print()
        {
            System.out.println(this);
        }



    }


    public static void main(String[] args)
    {
        student s1= new student();
        s1.name="张三";
        System.out.println(s1);
        s1.print();

    }

}

